﻿using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace Util
{
    public class ReflectUtil
    {
        public static class ConvertHelper<T> where T : new()
        {
            /// <summary>
            /// 将DataTable转为实体类List
            /// </summary>
            /// <param name="dt"></param>
            /// <returns></returns>
            public static IList<T> ConvertToModel(DataTable dt)
            {
                //定义集合
                IList<T> ts = new List<T>();
                T t = new T();
                string tempName = "";
                //获取此模型的公共属性
                PropertyInfo[] propertys = t.GetType().GetProperties();
                foreach (DataRow row in dt.Rows)
                {
                    t = new T();
                    foreach (PropertyInfo pi in propertys)
                    {
                        tempName = pi.Name;
                        //检查DataTable是否包含此列
                        if (dt.Columns.Contains(tempName))
                        {
                            //判断此属性是否有set
                            if (!pi.CanWrite)
                                continue;
                            object value = row[tempName];
                            if (value != DBNull.Value)
                                pi.SetValue(t, value, null);
                        }
                    }
                    ts.Add(t);
                }
                return ts;
            }
        }
    }
}
